来自吕飞的问题
英语翻译Databasesofmoveobjectsareimportantforairtrafficcontrol,groundtraffic,andbattlefieldconfigurations.Weintroducethe(historicalandspatial)rangeclose-pairqueryformovingobjectsanimportantproblemforsuchdatabases.Thepu
英语翻译
Databasesofmoveobjectsareimportantforairtrafficcontrol,groundtraffic,andbattlefieldconfigurations.Weintroducethe(historicalandspatial)rangeclose-pairqueryformovingobjectsanimportantproblemforsuchdatabases.Thepurposeofarangeclose-pairqueryformovingobjectsistofindpairsofobjectsthatwerecloserthan∈duringtimeintervalIandwinthinspatialrangeR,where∈,IandRareuser-specifiedparameters.
